Air enters a bord and pillar panel at 10 ppm CO and 20.78% O2
October 30, 2023
Q. Air enters a bord and pillar panel at 10 ppm CO and 20.78% O2. The air at the panel return has 80 ppm CO and 20.52% O2. The ‘Graham’s ratio’ for the status of fire in the panel in % is
